<template>
    <div>
      <template v-for="item in this.menuList">
        <el-submenu :disabled="item.disabled" :index="item.id+''" :key="item.id+''" v-if="item.children.length>0">
          <template slot="title">
            <i :class="item.icon"></i>
            <span slot="title">{{item.menuName}}</span>
          </template>
          <MenuTree :menuList="item.children"></MenuTree>
        </el-submenu>
        <el-menu-item
          v-else
          :disabled="item.disabled"
          :index="item.url+''"
          :route="item.url+''"
          :key="item.id"
          @click="savePath(item.url)"
          style="padding-left: 45px"
        >
          <i :class="item.icon"></i>
          <span slot="title">{{item.menuName}}</span>
        </el-menu-item>
      </template>
    </div>
</template>

<script>
export default {
  name: 'MenuTree',
  props:['menuList'],
  methods:{
    savePath(path){
      window.sessionStorage.setItem("activePath",path);
      //调用main.vue的activepath
      this.activePath=path;
    }
  }
}
</script>

<style scoped>
/*实现了一个溢出处理*/
    .el-menu--collapse span,
    .el-menu--collapse i.el-submenu__icon-arrow{
          height: 0;
          width: 0;
          overflow: hidden;
          visibility: hidden;
          display: inline-block;
    }
</style>
